/* The following CSS applies on all screen sizes */

/* Colors and fonts */
:root {
    /* Fonts */
    --bodyfont: sans-serif;
    --headerfont: Georgia, serif;

    /* Main colors */
    --background: #2C3639;
    --accentbg: #e0d9c6;
    --hr: #bb9860;
    /* Page background */
    --color: #011523;
    --block: #f9f8f9;
    /* Background color for the grid blocks in the content */

    --link: #76ABDF;
    --linkhover: #cca376;

    --h1: #2f152f;
    --h2: #2f152f;
    --h3: #2f152f;
    --h4: #2f152f;

    /* Sidebar colors */
    --sidebar: #f9f8f9;
    --sidebarcolor: #2f152f;
    --title: #5b7e81;
    --sidebarlink: #76ABDF;
    --sidebarlinkhover: #a649a9;

    /* Menu colors */
    --menubg: #232c2f;
    --menucolor: #76ABDF;
    --menubghover: #d6fcfc;
    --menucolorhover: #2c1a30;
}

* {
    margin: 0;
    padding: 0;
}

/* Main body styling */
body {
    background-color: var(--background);
    background-attachment: fixed;
    font: 1rem sans-serif;
    color: var(--color);
}

/* Rounded corners - feel free to get rid of this or change it */

main section,
#sidebar-content,
#main-footer {
    border-radius: 5px;
}

/* Sidebar styling */

#sidebar-content {
    text-align: center;
    background: var(--sidebar);
    color: var(--sidebarcolor);
    padding: 10px;
}

#sidebar-content header {
    color: var(--title);
    font: 1.8em var(--headerfont);
    margin: 8px;
}

#sidebar-content p a {
    color: var(--sidebarlink);
    transition: 0.5s ease;
}

#sidebar-content p a:hover {
    color: var(--sidebarlinkhover);
    transition: 0.5s ease;
}

.icon img {
    border-radius: 100%;
    /* This makes the icon a circle - feel free to remove or reduce for a rectangle or square */
    max-width: 150px;
    /* This can be changed to make the icon smaller; you might have to mess with the border radius too */
}

/* Styling for the menu */

#main-menu {
    font: 1.1em var(--headerfont);
    width: 100%;
}

#main-menu ul {
    list-style: none;
}

#main-menu li a {
    padding: 7px;
    background: var(--menubg);
    color: var(--menucolor);
    text-decoration: none;
    transition: 0.5s ease;
}

#main-menu li a:hover,
#main-menu li a:focus {
    background: var(--menubghover);
    color: var(--menucolorhover);
    transition: 0.5s ease;
}

/* Content styling */

main {
    margin-top: 10px;
}

main blockquote {
    padding: 0.625rem;
    border-left: 0.625rem solid var(--hr);
    background: var(--accentbg);
}

main blockquote cite {
    font-size: 0.917rem;
    position: relative;
    right: 0;
}

/* Styling for blocks */

main section,
#main-footer {
    padding: 15px;
    background: var(--block);
    margin-bottom: 10px;
}

main h1 {
    font: 1.8em var(--headerfont);
    color: var(--h1);
}

main h2 {
    font: 1.5em var(--headerfont);
    color: var(--h2);
}

main h3 {
    font: 1.3em var(--headerfont);
    color: var(--h3);
}

main h4 {
    font: 1em var(--headerfont);
    font-style: italic;
    color: var(--h4);
}

p {
    line-height: 1.5;
    margin: 10px 0 10px 0;
}

main a {
    color: var(--link);
    transition: 0.5s ease;
}

main a:hover,
main a:focus {
    color: var(--linkhover);
    transition: 0.5s ease;
}

main ul {
    list-style-position: outside;
    margin-left: 25px;
}

main ul li {
    line-height: 1.5;
}

main img {
    max-width: 100%;
}

main input,
textarea,
select,
button {
    background: var(--block);
    color: var(--color);
    font: 1rem var(--bodyfont);
    border: 1px solid;
    padding: 8px;
    margin: 2px;
}

#main-footer {
    text-align: center;
}

/* The following CSS ONLY applies to mobile/small screens */

/* Container styling */
#container {
    width: calc(100% - 20px);
    padding: 10px;
    margin-top: 10px;
}

#sidebar-content {
    width: calc(100% - 20px);
}

#main-menu li {
    margin-bottom: 15px;
    display: inline-block;
}

main table, th, td {
    border: 1px solid black;
}

/* Skip to content button */

#skip a {
    position: absolute;
    display: inline-block;
    left: 0px;
    top: -1000px;
    overflow: hidden;
    transition: top 0.5s ease;
    background: var(--block);
    color: var(--link);
    z-index: 1000;
    padding: 5px;
}

#skip a:focus {
    top: 0;
    transition: top 0.5s ease;
}

/* The following CSS ONLY applies to desktop/big screens */

@media screen and (min-width: 800px) {
    #container {
        max-width: 950px;
        width: 90%;
        margin: 25px auto;
        display: flex;
        gap: 20px;
    }

    #sidebar {
        flex: 1 1 calc(25% - 20px);
        margin-top: 10px;
    }

    /* Remove or comment out this block if you don't want a sticky sidebar */
    #sidebar-content {
        position: sticky;
        top: 10px;
    }

    /* Make menu links into a column */

    #main-menu li {
        display: block;
        margin: 0;
    }

    #main-menu li a {
        display: block;
        border-bottom: 1px solid;
    }

    main {
        flex: 1 1 calc(75% - 30px);
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    main section {
        margin: 0;
    }

    #main-footer {
        flex: 1 1 calc(100% - 40px);
    }

    /* Defining grid blocks */

    .full {
        flex: 1 1 calc(100% - 40px);
    }

    .half {
        flex: 1 1 calc(50% - 40px);
    }

    .third {
        flex: 1 1 calc(33% - 40px);
    }

    .twothird {
        flex: 1 1 calc(66% - 40px);
    }

    .quarter {
        flex: 1 1 calc(25% - 40px);
    }

    .threequarter {
        flex: 1 1 calc(75% - 40px);
    }
}